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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
import {
getBreakableLines,
getSourceActorBreakableLines,
} from "../../selectors/index";
import { setBreakpointPositions } from "../breakpoints/breakpointPositions";
function calculateBreakableLines(positions) {
const lines = [];
for (const line in positions) {
if (positions[line].length) {
lines.push(Number(line));
}
}
return lines;
}
/**
* Ensure that breakable lines for a given source are fetched.
*
* @param Object location
*/
export function setBreakableLines(location) {
return async ({ getState, dispatch, client }) => {
let breakableLines;
if (location.source.isOriginal) {
const positions = await dispatch(setBreakpointPositions(location));
breakableLines = calculateBreakableLines(positions);
const existingBreakableLines = getBreakableLines(
getState(),
location.source.id
);
if (existingBreakableLines) {
breakableLines = [
...new Set([...existingBreakableLines, ...breakableLines]),
];
}
dispatch({
type: "SET_ORIGINAL_BREAKABLE_LINES",
source: location.source,
breakableLines,
});
} else {
// Ignore re-fetching the breakable lines for source actor we already fetched
breakableLines = getSourceActorBreakableLines(
getState(),
location.sourceActor.id
);
if (breakableLines) {
return;
}
breakableLines = await client.getSourceActorBreakableLines(
location.sourceActor
);
dispatch({
type: "SET_SOURCE_ACTOR_BREAKABLE_LINES",
sourceActor: location.sourceActor,
breakableLines,
});
}
};
}